Helicobacter pylori infection can affect energy modulating hormones and body weight in germ free mice by Loke, Mun Fai, Vadivelu, Jamuna, Tan, Tuan Lin, Wong, Whye Yen, Khosravi, Yalda, Seow, Shih Wee, Amoyo, Arlaine Anne, Chiow, Kher Hsin, Poh, Qian Hui, Sentosa, Ignatius Mario Doli, Bunte, Ralph M., Pettersson, Sven

“…To assess whether a H. pylori infection could affect growth in early life, we determined the expression levels of selected metabolic gut hormones in germ free (GF) and specific pathogen-free (SPF) mice with and without the presence of H. pylori. …”
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Characterization of lead free solder joints in microelectronics assemblies by Hla Phone Maw.

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Long electron-hole diffusion length in high-quality lead-free double perovskite films by Ning, Weihua, Wang, Feng, Wu, Bo, Lu, Jun, Yan, Zhibo, Liu, Xianjie, Tao, Youtian, Liu, Jun-Ming, Huang, Wei, Fahlman, Mats, Hultman, Lars, Sum, Tze Chien, Gao, Feng

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Doping and switchable photovoltaic effect in lead-free perovskites enabled by metal cation transmutation by Harikesh, Padinhare Cholakkal, Wu, Bo, Ghosh, Biplab, John, Rohit Abraham, Lie, Stener, Thirumal, Krishnamoorthy, Wong, Lydia Helena, Sum, Tze Chien, Mhaisalkar, Subodh, Mathews, Nripan

“…Creating defect tolerant lead-free halide perovskites is the major challenge for development of high-performance photovoltaics with nontoxic absorbers. …”
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Lead-free PCB assembly and effect of solder joint profile on the reliability of PCB assembly by Periannan Arulvanan.

“…Lead-free Printed Circuit Board (PCB) assembly evaluation was undertaken to determine the effect of solder joint profile on the reliability of PCB assembly, by varying the foot print design on the PCB, solder paste deposition volume and solder reflow profile. …”
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Solar energy harvesting using lead-free pyroelectric bulk ceramics: a simulation study by Saurabh, Nishchay, Kiran, Raj, Patel, Satyanarayan

“…This work shows the potential of lead-free pyroelectric materials for solar energy harvesting with losses in the circuit.…”
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Understanding the methylammonium chloride-assisted crystallization for improved performance of lead-free tin perovskite solar cells by Cuzzupè, Daniele T., Öz, Senol Dilara, Ling, Jinkiong, Illing, Elias, Seewald, Tobias, Jose, Rajan, Olthof, Selina, Azhar, Fakharuddin, Schmidt-Mende, Lukas

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Crystal Engineering of a Two-Dimensional Lead-Free Perovskite with Functional Organic Cations by Second-Sphere Coordination by Cortecchia, Daniele, Soci, Cesare, Cametti, Massimo, Petrozza, Annamaria, Martí-Rujas, Javier

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Beyond perovskite solar cells: tellurium iodide as a promising light-absorbing material for solution-processed photovoltaic application by Ahmed Ali Said, Xie, Jian, Zhao, Kexiang, Liu, Wenbo, Yu, Fei, Zhang, Qichun

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A review on piezoelectric ceramics and nanostructures: fundamentals and fabrications by Ali Khorsand Zak, Ali Khorsand Zak, Yazdi, Sh. Tabatabai, Abrishami, Majid Ebrahimizadeh, Hashim, Abdul Manaf

“…These new lead-free piezoelectric materials are divided into two categories: (1) the lead-free piezoelectric material based on BNT (bismuth niobium titanate) and (2) the lead-free piezoelectric material based on KNN (potassium sodium niobite). …”

The development of lead-less perovskite materials for the photovoltaic application by Chen, Yan

“…Hence, the discovery and development of new lead-free perovskite materials for the future global commercialization of non-toxic, stable, and efficient perovskite solar cells has become the emerging frontier in photovoltaic research field. …”
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Design, fabrication and characterization of organic-inorganic hybrid solar cells by Ahmed Ali Said Ahmed

“…Developing stable and efficient lead-free solar cell is the second aim of this project. …”
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Metronidazole causes skeletal muscle atrophy and modulates muscle chronometabolism by Manickam, Ravikumar, Oh, Hui Yun Penny, Tan, Chek Kun, Paramalingam, Eeswari, Wahli, Walter

“…PPARγ and one of its important target genes, adiponectin, are also upregulated by metronidazole. Metronidazole in germ-free (GF) mice increases the expression of other core clock genes, such as Bmal1 and Per2, as well as the metabolic regulators FoxO1 and Pdk4, suggesting a microbiota-independent pharmacologic effect. …”
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The gut microbiota and developmental programming of the testis in mice by Al-Asmakh, Maha, Stukenborg, Jan-Bernd, Reda, Ahmed, Anuar, Farhana, Strand, Mona-Lisa, Hedin, Lars, Pettersson, Sven, Söder, Olle

“…Here we used specific pathogen free (SPF) mice and germ-free (GF) mice to explore whether gut microbiota and/or their metabolites can influence testis development and regulation of BTB. …”
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Tin halide perovskite solar cells with open-circuit voltages approaching the Shockley–Queisser limit by Liu, W, Hu, S, Pascual, J, Nakano, K, Murdey, R, Tajima, K, Wakamiya, A

“…Our work highlights the importance of controlling the properties of the electron transport material toward the development of efficient lead-free perovskite solar cells and demonstrates the potential of solvent engineering for efficient device processing.…”

Electrical properties of textured (KNa)0.44Li0.06Nb0.84Sb0.06Ta0.1O3 thick films by Fu, Fang, Zhai, Jiwei, Xu, Zhengkui, Bai, Wangfeng, Kong, Ling Bing

“…Lead-free (KNa)0.44Li0.06Nb0.84Sb0.06Ta0.1O3 textured thick films with 25 μm thickness were fabricated by the reactive templated grain growth method. …”
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0.94(K0.5Na0.5)NbO3–0.06LiNbO3 piezoelectric ceramics prepared from the solid state reaction modified with polyvinylpyrrolidone (PVP) of different molecular weights by Tan, Chee Kiang Ivan, Yao, Kui, Goh, Phoi Chin, Ma, Jan

“…Lead-free piezoelectric 0.94(K0.5Na0.5)NbO3–0.06LiNbO3 (0.94KNN–0.06LN) ceramics were prepared by solid state reaction process modified by introducing polyvinylpyrrolidone (PVP) of different molecular weights in the starting raw materials. …”
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Chemical and strain driven morphotropic phase boundaries in bismuth ferrite by Chen, Weigang

“…In the new wave of searching for lead-free replacements, BiFeO3 (BFO) rises as a promising candidate due to the existence of both chemical- and strain-driven MPBs. …”
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Effect of Zn nanoparticle-doped flux on mechanical properties of SAC305 solder joint after electromigration by Bashir, Muhammad Nasir, Khan, Niaz Bahadur, Bashir, Shahid, Khan, Abdul Faheem, Quazi, Moinuddin Mohammed, Gul, Mustabshirha, Wakeel, Saif, Hafiz Muhammad, Saad

“…Migration of Cu atoms from the cathode side to the anode side causes void formation in the solder joint, which is the root cause of electromigration failures in lead-free solder joints. This study investigates the effects of Zn nanoparticle-doped flux on the mechanical properties of SAC305 solder joint under high current density. …”
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A zero-dimensional mixed-anion hybrid halogenobismuthate(III) semiconductor : structural, optical, and photovoltaic properties by Hoefler, Sebastian Franz, Rath, Thomas, Fischer, Roland, Latal, Christine, Hippler, Dorothee, Koliogiorgos, Athanasios, Galanakis, Iosif, Bruno, Annalisa, Fian, Alexander, Dimopoulos, Theodoros, Trimmel, Gregor

“…In this contribution, we present the synthesis and characterization of the mixed-anion halogenobismuthate(III) (CH3NH3)6BiI5.22Cl3.78 (MBIC) as an alternative lead-free perovskite-type semiconductor, and discuss its optical, electronic, and photovoltaic properties in comparison to the methylammonium bismuth iodide (CH3NH3)3Bi2I9 (MBI) compound. …”
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